@misc{indiciaef089eedc498e,
  title = {Retraction.},
  author = {Michael Stumvoll and Hans Günther Wahl and Stephan Jacob and Alke Rettig and Fausto Machicao and Hans Häring},
  year = {2002},
  url = {https://pubmed.ncbi.nlm.nih.gov/12380567/},
  note = {Source identifier: 12380567}
}